At CP DS007 (Arvada), the MGJNY diverges from the Main Track to Main 2. UP intentionally added a little dog leg curve to the main so Main 1 (far track to the right) would not be diverging at the switch. This is because heavy coal trains (and now oil train) generally run on Main 1, and UP did not want the heavy trains to diverging through the switch. The switch itself is actually a (relatively) high speed switch. It is long and has moveable point frogs.
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